Home / 5,744.24-8,619.78-5,379.80

Finding the Fourth Proportional to 5,744.24, 8,619.78 and 5,379.80

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Solution

The fourth proportional to 5,744.24, 8,619.78 and 5,379.80 is: 8,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,744.24 : 8,619.78 = 5,379.80 : x
  2. Step 2: Convert to fraction form
    5,744.24/8,619.78 = 5,379.80/x
  3. Step 3: Cross multiply
    5,744.24x = 8,619.78 × 5,379.80
  4. Step 4: Simplify right side
    5,744.24x = 46,372,692.44
  5. Step 5: Solve for x
    x = 46,372,692.44/5,744.24
  6. Step 6: Final answer
    x = 8,072.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.